已经存在一些源代码分析与字节代码分析以及哪种分析提供更好结果的比较，但是该讨论超出了本文的范围。
There has been some analysis of source code versus byte code analysis and which provides the better results, but that discussion is beyond the scope of this article.
结果造成您拥有许多按照XML 1.0规则完全等价的文档，但在对编码的源文件进行逐字节比较时，它们可能完全不同。
The result is that you can have numerous documents that are exactly equivalent in XML 1.0 rules, while being very different under byte-by-byte comparison of the encoded source.
尽管如此，如果您不得不处理吉字节的源文档，则相比较之下，即使兆字节大小的块也显得很好管理。
Still, if you have to worry about gigabyte source documents, even a megabyte block looks pretty manageable in comparison.
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